package com.atguigu.gulistudy.member.excetpion;

/**
 * @author hnb
 * @version 1.0
 * @Description:
 * @date 2022/8/14 上午11:20
 */
public class UsernameException extends RuntimeException{
    public UsernameException() {
        super("存在相同的用户名");
    }
}
